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Tag: djb/1.01
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57 lines (44 sloc) 1.468 kB
#ifndef BUFFER_H
#define BUFFER_H
typedef struct buffer {
char *x;
unsigned int p;
unsigned int n;
int fd;
int (*op)();
} buffer;
#define BUFFER_INIT(op,fd,buf,len) { (buf), 0, (len), (fd), (op) }
#define BUFFER_INSIZE 8192
#define BUFFER_OUTSIZE 8192
extern void buffer_init(buffer *,int (*)(),int,char *,unsigned int);
extern int buffer_flush(buffer *);
extern int buffer_put(buffer *,char *,unsigned int);
extern int buffer_putalign(buffer *,char *,unsigned int);
extern int buffer_putflush(buffer *,char *,unsigned int);
extern int buffer_puts(buffer *,char *);
extern int buffer_putsalign(buffer *,char *);
extern int buffer_putsflush(buffer *,char *);
#define buffer_PUTC(s,c) \
( ((s)->n != (s)->p) \
? ( (s)->x[(s)->p++] = (c), 0 ) \
: buffer_put((s),&(c),1) \
)
extern int buffer_get(buffer *,char *,unsigned int);
extern int buffer_bget(buffer *,char *,unsigned int);
extern int buffer_feed(buffer *);
extern char *buffer_peek(buffer *);
extern void buffer_seek(buffer *,unsigned int);
#define buffer_PEEK(s) ( (s)->x + (s)->n )
#define buffer_SEEK(s,len) ( ( (s)->p -= (len) ) , ( (s)->n += (len) ) )
#define buffer_GETC(s,c) \
( ((s)->p > 0) \
? ( *(c) = (s)->x[(s)->n], buffer_SEEK((s),1), 1 ) \
: buffer_get((s),(c),1) \
)
extern int buffer_copy(buffer *,buffer *);
extern buffer *buffer_0;
extern buffer *buffer_0small;
extern buffer *buffer_1;
extern buffer *buffer_1small;
extern buffer *buffer_2;
#endif
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